package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;

@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {

    /**
     * 数据校验异常
     * @param e
     * @return
     */
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handValidException(MethodArgumentNotValidException e){
        log.error("数据校验错误{},错误类型{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        HashMap<String, String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach(error->{
            String field = error.getField();
            String message = error.getDefaultMessage();
            errorMap.put(field,message);
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data",errorMap);
    }

   /* @ExceptionHandler(value = Throwable.class)
    public R handException(Throwable throwable){
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(), BizCodeEnum.UNKNOW_EXCEPTION.getMsg());
    }*/
}
